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Yes, HIV does attempt to prevent multiple infection of the same cell. Once a T cell or other cells are infected, HIV downregulates the CD4 receptor which it uses to gain entry. Because of this, there are less receptors so another HIV is less likely to infect that cell. Meanwhile, the infection itself upregulates CD4 receptors on other cells which means the ...


Yes, that should be possible. And it is one of the ways antibodies work. It is already used as a treatment against rabies. There you get a dose of immunoglobulins directed against the rabies virus together with the vaccine. The immunoglobulins neutralize the virus. The same is possible when you vaccinate against the surface proteins which a virus uses to ...

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